inv-trig

Related Questions

• $\cos ({{\tan }^{-1}}x)=$

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• ${{\cot }^{-1}}[{{(\cos \alpha )}^{1/2}}]-{{\tan }^{-1}}[{{(\cos \alpha )}^{1/2}}]=x,$then $\sin x=$

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• If ${{\cos }^{-1}}\left( \frac{1}{x} \right)= \theta $, then $\tan \theta =$

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• $\cos \left[ {{\tan }^{-1}}\frac{1}{3}+{{\tan }^{-1}}\frac{1}{2} \right]=$

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• If ${{\cot }^{-1}}x+{{\tan }^{-1}}3=\frac{\pi }{2}$, then $x =$

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